:root {
    --bg-color: #0d0d15;
    --card-bg: #1a1a2e;
    --neon-blue: #00f2ff;
    --neon-pink: #ff00ff;
    --correct-green: #39ff14;
    --text-color: #e0e0e0;
}

body {
    margin: 0;
    font-family: "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.hidden {
    display: none !important;
}

/* --- ФИКСАЦИЯ ПОИСКА --- */
#content-screen header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(13, 13, 21, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px 0 10px 0;
    border-bottom: 1px solid rgba(0, 242, 255, 0.1);
    margin-bottom: 20px;
}

/* Навигация */
.top-nav {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

/* Поиск */
.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 10px;
    border: 1px dashed var(--neon-blue);
}

.input-wrapper {
    position: relative;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

.input-wrapper input {
    width: 100%;
    text-align: left;
    padding: 10px 15px;
    padding-right: 80px;
}

#match-counter {
    position: absolute;
    right: 15px;
    font-size: 0.8rem;
    color: var(--neon-pink);
    font-weight: bold;
    pointer-events: none;
}

/* Кастомная подсветка */
.hl {
    background: var(--neon-pink);
    color: white;
    box-shadow: 0 0 8px var(--neon-pink);
    border-radius: 2px;
}

.hl-active {
    background: var(--neon-blue);
    box-shadow: 0 0 12px var(--neon-blue);
    color: black;
}

/* Лоадер */
.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.scanner-ring {
    width: 80px;
    height: 80px;
    border: 3px solid transparent;
    border-top: 3px solid var(--neon-blue);
    border-bottom: 3px solid var(--neon-pink);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
    box-shadow:
        0 0 15px var(--neon-blue),
        inset 0 0 10px var(--neon-pink);
}

.loader-text {
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 3px;
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes blink {
    0%,
    100% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
}

.dots {
    animation: blink 1s infinite;
}

/* Остальные стили */
.fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle, #1a1a2e 0%, #0d0d15 100%);
    z-index: 100;
    transition: opacity 0.5s ease;
}

#loader-screen {
    z-index: 200; /* Выше основного экрана */
    background: rgba(13, 13, 21, 0.8);
    backdrop-filter: blur(5px);
}

.neon-card {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 15px;
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 20px var(--neon-blue);
    text-align: center;
    max-width: 500px;
    width: 90%;
}

.neon-text {
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink);
}

.input-group {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input {
    background: #000;
    border: 1px solid var(--neon-blue);
    padding: 12px;
    color: white;
    border-radius: 5px;
    outline: none;
}

button {
    background: var(--neon-blue);
    border: none;
    padding: 12px 20px;
    color: #000;
    font-weight: bold;
    cursor: pointer;
    border-radius: 5px;
    transition: 0.3s;
}

button:hover {
    box-shadow: 0 0 15px var(--neon-blue);
    transform: translateY(-2px);
}

#content-screen {
    padding: 0 2rem 2rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--card-bg);
    margin-bottom: 1rem;
    border: 1px solid #333;
    border-radius: 8px;
    overflow: hidden;
}

.question-header {
    padding: 15px 20px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
}

.answers-list {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: #111;
}

.answer-option {
    padding: 10px 20px;
    border-bottom: 1px solid #222;
}

.answer-option.correct {
    background-color: rgba(57, 255, 20, 0.2);
    border-left: 4px solid var(--correct-green);
    color: var(--correct-green);
}

.accordion-item.active .icon {
    transform: rotate(180deg);
    transition: transform 0.3s ease;
    color: var(--neon-pink);
}

.icon {
    transition: transform 0.3s ease;
}